Home / 1,630,370.60-2,445,555.90-999,639.80

Finding the Fourth Proportional to 1,630,370.60, 2,445,555.90 and 999,639.80

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Solution

The fourth proportional to 1,630,370.60, 2,445,555.90 and 999,639.80 is: 1,499,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,370.60 : 2,445,555.90 = 999,639.80 : x
  2. Step 2: Convert to fraction form
    1,630,370.60/2,445,555.90 = 999,639.80/x
  3. Step 3: Cross multiply
    1,630,370.60x = 2,445,555.90 × 999,639.80
  4. Step 4: Simplify right side
    1,630,370.60x = 2,444,675,010,764.82
  5. Step 5: Solve for x
    x = 2,444,675,010,764.82/1,630,370.60
  6. Step 6: Final answer
    x = 1,499,459.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.